Our final example creates a dynamic login screen. The idea is to provide feedback for an incorrect password without refreshing the entire Web page. On success, the main menu screen loads without ...

Eliminate render-blocking JavaScript and CSS in above-the-fold content. Your page has 8 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page. None of the ...

In this example that server-side resource is named upload.php; When notified that the JavaScript file upload was successful, send an Ajax based alert to the client. All the HTML and JavaScript logic ...